Convenient and safe pen

Abstract

The invention discloses a convenient and safe pen, and aims to provide a pen which can prolong the service life and is safe to use. The pen comprises a pen holder and a pen sleeve ring, the pen holder penetrates through the inner circle of the pen sleeve ring, the pen sleeve ring is of an annular cavity structure provided with a movable groove, an opening of the movable groove faces the inner circle of the pen sleeve ring, a first gear and a second gear are arranged in the movable groove, a sliding groove is formed in the outer surface of the pen holder, a sliding block is arranged in the sliding groove, and the sliding block is in sliding connection with the pen holder through the sliding groove. The sliding block is connected with a first rack, the first gear extends out of an opening of the movable groove to be in meshed connection with the first rack, a second rack is arranged on the inner bottom face of a cavity of the pen sleeve ring, the second gear is in meshed connection with the second rack, and the side, facing the opening of the movable groove, of the second rack is connected with a limiting block. And a linkage rod is arranged between the first gear and the second gear. The pen refill has the beneficial effects that ink of the pen refill is prevented from being missed, the small ball is prevented from falling off and being collided, and the use is continuous and safe.

Description

technical field [0001] The invention relates to the technical field of pens, in particular to a convenient and safe pen. Background technique [0002] Pens are indispensable writing tools in our daily life, among which gel pens (or fountain pens, signature pens) are widely used. The traditional pen consists of a pen holder, a tip sleeve connected to the front end of the pen holder, a tail plug connected to the rear end of the pen holder, and a refill. In the pen holder, the nib protrudes from the nib cover and the nib cover of the wrapped tip cover. The traditional nib cover and the pen body are separated and used by plugging in and out, and the nib cover itself is very easy to lose or damage, resulting in It is inconvenient to use, and the separate nib cover is often used for playing or eating by mistake. Although there are "life-saving holes" on the nib cover, it is still very dangerous. These pens are not sealed to protect the nib, resulting in ink leakage and small ball...

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the shortcomings of the prior art that the nib cover of the gel pen is inconvenient, easy to be lost and damaged, cause personal danger, and the pen tip is easy to omit the ink column and fall off, and provides a small ball pen that is not easy to be lost and damaged, safe and prevents ink omission. Easy and safe pen that comes off

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